SSP Bidstream Parsing

How and SSP parses the bid requests, matches and appends the corresponding curated deals:

As the bid requests come through the bid adaptor the SSP parses the ortb2.x.user.data.segment object
Anonymised IDless audience segment ids are identified with those set as targeting on active curated deals
The SSP appends the corresponding active deal ID to the bid request in the ortb2.x.imp.pmp.deals object
The bid request is sent to the DSP subject to QPS and other traffic-shaping measures

Deals are housed in ortb2.x.imp.pmp.deals object

CODE

...
"imp":[
     {
     ...
        },
        "pmp":{
           "private_auction":0,
           "deals":[
              {
                 "id":"GM-QIUE-5105",
                ...
              },
           ...
           ]
        },
        "ext":{
           "headerbidding":{
              "present":1
           }
        }
     }
  ]
...

IDLess data is housed in the ortb2.x.user.data.segments object

CODE

...
"user":{
     ...
     "data":[
        {
           "name":"anonymised.io",
           "segment":[
              {
                 "id":"18112"
              },
              {
                 "id":"default"
              }
           ],
           "ext":{
              "segtax":1000
           }
        }
...

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An exception exists:

Xandr (appnexus) just passes the ortb2.x.imp.pmp.deals object.